{"id":"F2017L00578","name":"AD/A320/43 Amdt 3 - Passenger Doors 1 and 4","slug":"ad-a320-43-amdt-3-passenger-doors-1-and-4","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":96351,"registerId":"commonwealth-F2017L00578-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus A319, A320 and A321 Series Aeropl","sectionType":"part","heading":"Airbus A319, A320 and A321 Series Aeroplanes","content":"# Airbus A319, A320 and A321 Series Aeroplanes\n\n| AD/A320/43 Amdt 3 | Passenger Doors 1 and 4 | 10/2017 |\n| ----------------- | ----------------------- | ------- |\n\n| Applicability: | All models of Airbus A320 and A321 that had Modification 22422 incorporated on the production line, and do not have Modification 24497 or Airbus Service Bulletin (SB) A320-52-1064 as in force from time to time incorporated.                                                                                                                                                                                                                                                                                              |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Action in accordance with the requirements of Airbus All Operator Telex A320/AOT 52-07 as in force at the commencement of this legislative instrument, or Airbus SB A320-52-1066 as in force from time to time.2. Install shouldered bushes in accordance with the requirements of Airbus SB A320-52-1064 as in force from time to time.Note 1: This AD is based on DGAC AD 95-004-062(B)R1.Note 2: The words “as in force from time to time” require compliance with the most recent version of the referenced document. |\n| Compliance:    | 1. Within 450 hours time in service after 25 January 1995, thereafter, and until modified, at intervals specified in the Requirement Documents.2. Prior to 30 April 1996.Note 3: Previous compliance with any requirement in AD/A320/43 Amdt 2 constitutes compliance with the same requirement in this AD.                                                                                                                                                                                                                  |\n|                | This AD commences on 26 May 2017.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |\n| Background:    | This Directive was issued to prevent jamming of passenger doors 1 and 4 due to bush migration in the opening mechanism.Amendment 1 included an alternative Requirement Document.Amendment 2 clarified the Applicability statement to exclude aircraft modified in accordance with AD/A320/36 Amdt. 2.                                                                                                                                                                                                                        |\n\n  \n\n|     | Amendment 3 further clarifies the applicability of the AD by including A321 models in accordance with DGAC AD 95-004-062(B)R1. |\n| --- | ------------------------------------------------------------------------------------------------------------------------------ |\n\n![](image.001.jpeg)\n\nPieter van Dijk  \nDelegate of the Civil Aviation Safety Authority\n\n17 May 2017","sortOrder":0},{"sectionNumber":"AD/A320/43 Amdt 3","sectionType":"part","heading":"AD/A320/43 Amdt 3","content":"## AD/A320/43 Amdt 3","sortOrder":1},{"sectionNumber":"Passenger Doors 1 and 4","sectionType":"part","heading":"Passenger Doors 1 and 4","content":"## Passenger Doors 1 and 4","sortOrder":2},{"sectionNumber":"10/2017","sectionType":"part","heading":"10/2017","content":"## 10/2017","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"Amendment 3 clarifies and expands applicability to explicitly include A321 models (per DGAC AD 95-004-062(B)R1). Earlier amendments added an alternative Requirement Document and clarified exclusion for aircraft modified under AD/A320/36 Amdt.2; the net effect is a broadened and more detailed applicability statement that affects which airframes must comply."},"complexity_factors":["Applicability depends on combinations of production and retrofit modifications (Modification 22422, 24497) and service bulletins, creating conditional scope","Mandates compliance with external Airbus documents (AOT A320/AOT 52-07, SB A320-52-1066, SB A320-52-1064) rather than full text, requiring operators to obtain and follow those documents","Phrase \"as in force from time to time\" imposes ongoing duty to monitor updates and apply latest revisions","Multiple compliance timeframes (short initial windows and recurring intervals) impose scheduling and record-keeping burdens","Several past amendments and cross-reference to DGAC AD mean historical compliance and equivalence issues must be checked","Requirement to install hardware (shouldered bushes) involves parts acquisition and maintenance downtime"],"plain_english_summary":"This airworthiness directive requires operators of Airbus A320/A321 aeroplanes produced with Modification 22422 — unless they already have Modification 24497 or Airbus SB A320‑52‑1064 — to perform inspections and actions per Airbus AOT A320/AOT 52‑07 or SB A320‑52‑1066 and to install shouldered bushes per SB A320‑52‑1064 to prevent jamming of passenger doors 1 and 4 caused by bush migration. Operators bear the cost and must follow the latest versions of the referenced Airbus documents, creating an ongoing obligation to track updates and keep inspection/modification records."},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":true,"description":"Originally issued in 1995 for A320 models only, Amendment 3 (2017) expanded the scope to include A321 models, effectively broadening the directive's coverage to a larger fleet of aircraft based on updated French aviation authority (DGAC) guidance."},"complexity_factors":["Multiple cross-references to external technical documents (Airbus AOT, Service Bulletins, DGAC AD) that are 'living documents' updated over time","Nested applicability conditions requiring verification of three different modification statuses (Modification 22422 present, Modification 24497 absent, SB A320-52-1064 absent)","Dual compliance pathways with different deadlines (repetitive inspections vs. one-time installation)","Grandfathering clause for previous compliance (Note 3) creating conditional logic","Technical aviation terminology requiring specialized knowledge (bushes, time in service, modification numbers)"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspections and corrective action on Passenger Doors 1 and 4 of certain Airbus A320 and newly covered A321 aircraft to prevent “bush migration” in the door opening mechanism that could jam doors during an evacuation. It targets planes built with Mod 22422 that haven’t received the later fix, requiring repeated inspections until a permanent installation of shouldered bushes (deadline April 30, 1996).  \n\nAmendment 3 expands coverage to A321s; operators must follow the latest Airbus technical guidance."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4","history":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4/history","analysis":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4/analysis","conflicts":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4/conflicts","importantCases":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4/important-cases","documents":"/api/acts/ad-a320-43-amdt-3-passenger-doors-1-and-4/documents"}}